Operating Condition; Power Requirement - Hitachi R410A Series Installation And Operation Manual

Structure mechanism and Installation

• Operating condition

Please operate air conditioner in the correct conditions as follows.
COOL mode operation
Outdoor temperature should be in
range of 18˚C to 43˚C.
Otherwise it is possible for air
conditioner to breakdown.
Room humidity should be lower
than 90%. Otherwise, it is possible
for air conditioner to dew at the
surface and even drop water after
running for a long period of time,
but this is normal.
Please refer to P.4 for indoor
temperature range.

• Power requirement

Rated Voltage : 220 V +/- 10%
The electric components will be damaged when
the voltage is too high. If the voltage is too low,
the compressor will vibrate violently to damage
the refrigerant system and easily cause the
compressor and electric components not working.
The ground must be connected.
be used. Furthermore, the socket and wiring must
conform to the wiring regulations. And the earthing
method must be reliable. In fixed circuit, there must
be electricity leakage protection switch of enough
power capacity and air switch with enough space.
To ensure the reliable earthing, please do not connect
earth wire to the following places:
- 3 -
DRY mode operation
Outdoor temperature should be in
range of 18˚C to 43 ˚C.
Otherwise it is possible for air
conditioner to breakdown.
Special socket must